form1.cs

一个简单的记事本

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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;

namespace csnotepad
{
	/// 
	/// Summary description for Form1.
	/// 
	public class notepad : System.Windows.Forms.Form
	{
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.Windows.Forms.MenuItem menuItem4;
		private System.Windows.Forms.MenuItem menuItem5;
		private System.Windows.Forms.MenuItem menuItem6;
		private System.Windows.Forms.MenuItem menuItem7;
		private System.Windows.Forms.MenuItem menuItem8;
		private System.Windows.Forms.MenuItem menuItem9;
		private System.Windows.Forms.MenuItem menuItem10;
		private System.Windows.Forms.MenuItem menuItem11;
		private System.Windows.Forms.MenuItem menuItem12;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.MenuItem menuItem14;
		private System.Windows.Forms.SaveFileDialog saveFileDialog1;
		private System.Windows.Forms.MenuItem menuItem13;
		private System.Windows.Forms.OpenFileDialog openFileDialog1;
		private System.Windows.Forms.MenuItem menuItem15;
		private System.Windows.Forms.MenuItem menuItem16;
		/// 
		/// Required designer variable.
		/// 
		private System.ComponentModel.Container components = null;

		public notepad()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// 
		/// Clean up any resources being used.
		/// 
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// 
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// 
		private void InitializeComponent()
		{
			this.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			this.menuItem3 = new System.Windows.Forms.MenuItem();
			this.menuItem13 = new System.Windows.Forms.MenuItem();
			this.menuItem4 = new System.Windows.Forms.MenuItem();
			this.menuItem14 = new System.Windows.Forms.MenuItem();
			this.menuItem5 = new System.Windows.Forms.MenuItem();
			this.menuItem6 = new System.Windows.Forms.MenuItem();
			this.menuItem7 = new System.Windows.Forms.MenuItem();
			this.menuItem8 = new System.Windows.Forms.MenuItem();
			this.menuItem9 = new System.Windows.Forms.MenuItem();
			this.menuItem10 = new System.Windows.Forms.MenuItem();
			this.menuItem11 = new System.Windows.Forms.MenuItem();
			this.menuItem12 = new System.Windows.Forms.MenuItem();
			this.menuItem15 = new System.Windows.Forms.MenuItem();
			this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.saveFileDialog1 = new System.Windows.Forms.SaveFileDialog();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.menuItem16 = new System.Windows.Forms.MenuItem();
			this.SuspendLayout();
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem1,
																					  this.menuItem6,
																					  this.menuItem11,
																					  this.menuItem15});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem2,
																					  this.menuItem3,
																					  this.menuItem13,
																					  this.menuItem4,
																					  this.menuItem14,
																					  this.menuItem5});
			this.menuItem1.Text = "文件";
			// 
			// menuItem2
			// 
			this.menuItem2.Index = 0;
			this.menuItem2.Text = "&New";
			this.menuItem2.Click += new System.EventHandler(this.menuItem2_Click);
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 1;
			this.menuItem3.Text = "&Open";
			this.menuItem3.Click += new System.EventHandler(this.menuItem3_Click);
			// 
			// menuItem13
			// 
			this.menuItem13.Index = 2;
			this.menuItem13.Text = "-";
			// 
			// menuItem4
			// 
			this.menuItem4.Index = 3;
			this.menuItem4.Text = "&Save";
			this.menuItem4.Click += new System.EventHandler(this.menuItem4_Click);
			// 
			// menuItem14
			// 
			this.menuItem14.Index = 4;
			this.menuItem14.Text = "-";
			// 
			// menuItem5
			// 
			this.menuItem5.Index = 5;
			this.menuItem5.Text = "Exit";
			this.menuItem5.Click += new System.EventHandler(this.menuItem5_Click_1);
			// 
			// menuItem6
			// 
			this.menuItem6.Index = 1;
			this.menuItem6.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem7,
																					  this.menuItem8,
																					  this.menuItem9,
																					  this.menuItem10});
			this.menuItem6.Text = "编辑";
			// 
			// menuItem7
			// 
			this.menuItem7.Index = 0;
			this.menuItem7.Text = "&Cut";
			this.menuItem7.Click += new System.EventHandler(this.menuItem7_Click);
			// 
			// menuItem8
			// 
			this.menuItem8.Index = 1;
			this.menuItem8.Text = "&Copy";
			this.menuItem8.Click += new System.EventHandler(this.menuItem8_Click);
			// 
			// menuItem9
			// 
			this.menuItem9.Index = 2;
			this.menuItem9.Text = "Paste";
			this.menuItem9.Click += new System.EventHandler(this.menuItem9_Click);
			// 
			// menuItem10
			// 
			this.menuItem10.Index = 3;
			this.menuItem10.Text = "&Select All";
			this.menuItem10.Click += new System.EventHandler(this.menuItem10_Click);
			// 
			// menuItem11
			// 
			this.menuItem11.Index = 2;
			this.menuItem11.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					   this.menuItem12,
																					   this.menuItem16});
			this.menuItem11.Text = "帮助";
			// 
			// menuItem12
			// 
			this.menuItem12.Index = 0;
			this.menuItem12.Text = "About";
			this.menuItem12.Click += new System.EventHandler(this.menuItem12_Click);
			// 
			// menuItem15
			// 
			this.menuItem15.Index = 3;
			this.menuItem15.Text = "";
			// 
			// saveFileDialog1
			// 
			this.saveFileDialog1.FileName = "doc1";
			// 
			// textBox1
			// 
			this.textBox1.Dock = System.Windows.Forms.DockStyle.Fill;
			this.textBox1.Multiline = true;
			this.textBox1.Name = "textBox1";
			this.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
			this.textBox1.Size = new System.Drawing.Size(544, 321);
			this.textBox1.TabIndex = 0;
			this.textBox1.Text = "";
			this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged_1);
			// 
			// menuItem16
			// 
			this.menuItem16.Index = 1;
			this.menuItem16.Text = "General";
			this.menuItem16.Click += new System.EventHandler(this.menuItem16_Click);
			// 
			// notepad
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(544, 321);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.textBox1});
			this.ImeMode = System.Windows.Forms.ImeMode.Off;
			this.Menu = this.mainMenu1;
			this.Name = "notepad";
			this.Text = "Notepad By 【孟宪会之精彩世界】";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// 
		/// The main entry point for the application.
		/// 
		[STAThread]
		static void Main() 
		{
			Application.Run(new notepad());
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{

		}

		private void menuItem3_Click(object sender, System.EventArgs e)
		{
			// for opening file
			openFileDialog1.ShowDialog();
			StreamReader sr = new StreamReader(openFileDialog1.FileName);
			textBox1.Text = sr.ReadToEnd();
			sr.Close();

		}

		private void menuItem7_Click(object sender, System.EventArgs e)
		{
			Clipboard.SetDataObject(textBox1.SelectedText);
			textBox1.SelectedText="";

		}

		private void menuItem9_Click(object sender, System.EventArgs e)
		{
			textBox1.Paste();
		}

		private void textBox1_TextChanged(object sender, System.EventArgs e)
		{

		}

		private void menuItem12_Click(object sender, System.EventArgs e)
		{
			Form2 helpnew = new Form2();
			helpnew.Show();

		}

		private void textBox1_TextChanged_1(object sender, System.EventArgs e)
		{

		}

		private void menuItem5_Click(object sender, System.EventArgs e)
		{

		}

		private void menuItem5_Click_1(object sender, System.EventArgs e)
		{
			Dispose(true);
		}

		private void menuItem8_Click(object sender, System.EventArgs e)
		{
			textBox1.Copy();
		}

		private void menuItem10_Click(object sender, System.EventArgs e)
		{
			textBox1.SelectAll();

		}

		private void menuItem2_Click(object sender, System.EventArgs e)
		{
			textBox1.Clear();

		}

		private void menuItem4_Click(object sender, System.EventArgs e)
		{
			// for file save
			saveFileDialog1.FileName = "*.txt";
			//saveFileDialog1.FilterIndex ="*.txt";
			saveFileDialog1.ShowDialog();
			//MessageBox.Show (saveFileDialog1.FileName);
			StreamWriter sw = new StreamWriter(saveFileDialog1.FileName);
			sw.Write (textBox1.Text);
			sw.Close();
		}

		private void menuItem16_Click(object sender, System.EventArgs e)
		{
			Form3 gen = new Form3 ();
			gen.Show(); 

		}


	}
	public class Form3 : System.Windows.Forms.Form
	{
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form3()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			// 
			// Form3
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(292, 273);
			this.Name = "Form3";
			this.Text = "Form3";
			this.Load += new System.EventHandler(this.Form3_Load);

		}
		#endregion

		private void Form3_Load(object sender, System.EventArgs e)
		{

		}
	}
	public class Form2 : System.Windows.Forms.Form
	{
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form2()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			// 
			// Form2
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(292, 273);
			this.Name = "Form2";
			this.Text = "Form2";
			this.Load += new System.EventHandler(this.Form2_Load);

		}
		#endregion

		private void Form2_Load(object sender, System.EventArgs e)
		{

		}
	}
}